diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0ee8c01..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.0"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec54fa2..1eb862d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,25 @@
 # Changelog
 
+## [0.4.0](https://github.com/ticket-vision/platform-forge/compare/platform-forge-v0.3.0...platform-forge-v0.4.0) (2026-08-27)
+
+
+### Features
+
+* **build:** migrate from hatchling to uv_build ([a6983cc](https://github.com/ticket-vision/platform-forge/commit/a6983cc34e6c73b18fbe0e1181b57c36a7e29307))
+* **build:** migrate from hatchling to uv_build ([acab72e](https://github.com/ticket-vision/platform-forge/commit/acab72ea7ede45e777eadb55799bd83450cef8dc))
+* **docs:** add comprehensive documentation and ADRs ([74b36ca](https://github.com/ticket-vision/platform-forge/commit/74b36ca973d9f1a221ded399e2e8168b34c38afb))
+* enforce deterministic gateway workspace contract ([79243f3](https://github.com/ticket-vision/platform-forge/commit/79243f31d702001f5070681cb5e873f0546183d5))
+* **github:** add organization governance MVP ([2fb7708](https://github.com/ticket-vision/platform-forge/commit/2fb770850614448bc5d9f95d7ad35d90a72a889f))
+* **github:** add organization governance MVP ([72e8c40](https://github.com/ticket-vision/platform-forge/commit/72e8c4097adfded97db020cc762397143fd95d50))
+* scaffold platform forge phase 1 ([875c182](https://github.com/ticket-vision/platform-forge/commit/875c1824c17cb1a05f9ec5e5bc10bd0e15703e0d))
+
+
+### Bug Fixes
+
+* **github:** handle organization policy constraints ([58e9f30](https://github.com/ticket-vision/platform-forge/commit/58e9f30baf61d88e4dc322b938fb1227ee3ea6d9))
+* **release:** Add timeout to release-please job ([12a1e1f](https://github.com/ticket-vision/platform-forge/commit/12a1e1f0d9c4bc631c65467cd8937ae0405dace5))
+* **release:** Add timeout to release-please job ([4d953a5](https://github.com/ticket-vision/platform-forge/commit/4d953a58580da43c2bf7fb2ac56f511beb136448))
+
 ## [0.3.0](https://github.com/dillon-barendt/platform-forge/compare/platform-forge-v0.2.0...platform-forge-v0.3.0) (2026-08-25)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index a30c9cd..d391513 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "platform-forge"
-version = "0.3.0"
+version = "0.4.0"
 description = "Deterministic scaffolding for modern Python platform architectures."
 readme = "README.md"
 requires-python = ">=3.13"
diff --git a/src/platform_forge/__init__.py b/src/platform_forge/__init__.py
index e9f5f7c..5eb38e3 100644
--- a/src/platform_forge/__init__.py
+++ b/src/platform_forge/__init__.py
@@ -1,3 +1,3 @@
 """Platform Forge package metadata."""
 
-__version__ = "0.3.0"  # x-release-please-version
+__version__ = "0.4.0"  # x-release-please-version